svn commit: r399155 - head/Mk

[Bryan Drewery]

Author: bdrewery
Date: Mon Oct 12 22:09:47 2015
New Revision: 399155
URL: https://svnweb.freebsd.org/changeset/ports/399155

Log:
  Use a loop to export vars.
  
  This also fixes adding duplicates to .MAKEFLAGS with fmake, which was a
  bug present before recent changes.
  
  With hat:	portmgr

Modified:
  head/Mk/bsd.port.mk

Modified: head/Mk/bsd.port.mk
==============================================================================
--- head/Mk/bsd.port.mk	Mon Oct 12 21:41:43 2015	(r399154)
+++ head/Mk/bsd.port.mk	Mon Oct 12 22:09:47 2015	(r399155)
@@ -5051,11 +5051,12 @@ ${_t}:
 
 .if !defined(NOPRECIOUSMAKEVARS)
 # These won't change, so we can pass them through the environment
-.MAKEFLAGS: \
-	ARCH=${ARCH:Q} \
-	OPSYS=${OPSYS:Q} \
-	OSREL=${OSREL:Q} \
-	OSVERSION=${OSVERSION:Q}
+_EXPORTED_VARS=	ARCH OPSYS OPREL OSVERSION
+.for var in ${_EXPORTED_VARS}
+.if empty(.MAKEFLAGS:M${var}=*)
+.MAKEFLAGS:	${var}=${${var}:Q}
+.endif
+.endfor
 .endif
 
 .if !target(pre-check-config)